Simulation of Daily Rainfall from Concurrent Meteorological Parameters over Core Monsoon Region of India: A Novel Approach

Table 5

Sensitivity analysis of ANN model for different combination of input meteorological parameters between the pressure levels 1000 and 700 mb.

Name of the meteorological parameters	Number of meteorological parameters	Error statistics of simulated daily rainfall with respect to the observed daily rainfall
		rmse (mm/day)	bias (mm/day)	cc
Without AT	80	10.66	−1.4	0.48
Without GPH	80	21.47	−6.77	0.47
Without ω	80	10.97	−0.36	0.45
Without SH	80	12.36	−2.25	0.46
Without u-W	80	25.23	−3.49	0.34
Without -W	80	11.16	−0.4	0.46
Without AT and ω	64	9.63	−0.9	0.49
Without AT and -W	64	18.15	−2.13	0.32
Without ω and -W	64	11.29	1.44	0.28
Without AT and SH	64	12.42	−2.35	0.46
Without ω and SH	64	16.16	−3.7	0.35

AT: atmospheric temperature; GPH: geopotential height; SH: specific humidity; ω vertical wind velocity; -W: meridional wind; u-W: zonal wind.